FORM 4
[ ] Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).         
UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES
                                                                                  
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Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934, Section 17(a) of the Public
Utility Holding Company Act of 1935 or Section 30(f) of the Investment Company Act of 1940
                      

1. Name and Address of Reporting Person *

Tiger George 		2. Issuer Name and Ticker or Trading Symbol

ERESEARCHTECHNOLOGY INC /DE/ [ ERES ] 		5. Relationship of Reporting Person(s) to Issuer (Check all applicable)

_____ Director                      _____ 10% Owner
__ X __ Officer (give title below)      _____ Other (specify below)
Sr. V.P., Global Sales
(Last)          (First)          (Middle)

C/O ERESEARCHTECHNOLOGY, INC., 1818 MARKET STREET 		3. Date of Earliest Transaction (MM/DD/YYYY)

2/26/2010
(Street)

PHILADELPHIA, PA 19103
(City)        (State)        (Zip)
4. If Amendment, Date Original Filed (MM/DD/YYYY)

 
6. Individual or Joint/Group Filing (Check Applicable Line)

_ X _ Form filed by One Reporting Person
___ Form filed by More than One Reporting Person

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1.Title of Security
(Instr. 3) 		2. Trans. Date 2A. Deemed Execution Date, if any 3. Trans. Code
(Instr. 8) 		4. Securities Acquired (A) or Disposed of (D)
(Instr. 3, 4 and 5) 		5. Amount of Securities Beneficially Owned Following Reported Transaction(s)
(Instr. 3 and 4) 		6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4) 7. Nature of Indirect Beneficial Ownership (Instr. 4)
Code V Amount (A) or (D) Price
Common Stock, $.01 par value   2/26/2010     A    9118   (1) A $0   9118   D  
 

Table II - Derivative Securities Beneficially Owned ( e.g. , puts, calls, warrants, options, convertible securities)
1. Title of Derivate Security
(Instr. 3) 		2. Conversion or Exercise Price of Derivative Security 3. Trans. Date 3A. Deemed Execution Date, if any 4. Trans. Code
(Instr. 8) 		5. Number of Derivative Securities Acquired (A) or Disposed of (D)
(Instr. 3, 4 and 5) 		6. Date Exercisable and Expiration Date 7. Title and Amount of Securities Underlying Derivative Security
(Instr. 3 and 4) 		8. Price of Derivative Security
(Instr. 5) 		9. Number of derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4) 10. Ownership Form of Derivative Security: Direct (D) or Indirect (I) (Instr. 4) 11. Nature of Indirect Beneficial Ownership (Instr. 4)
Code V (A) (D) Date Exercisable Expiration Date Title Amount or Number of Shares
Option (Right to Buy)   $6.05   2/26/2010     A      19089         (2) 2/26/2017   Common Stock, $.01 par value   19089   $6.05   19089   D  
 
Option (Right to Buy)   $4.60                      (2) 3/2/2016   Common Stock, $.01 par value   40000     40000   D  
 
Option (Right to Buy)   $12.00                      (2) 2/28/2015   Common Stock, $.01 par value   20000     20000   D  
 
Option (Right to Buy)   $7.41                      (2) 2/23/2014   Common Stock, $.01 par value   20000     20000   D  
 
Option (Right to Buy)   $15.46                      (2) 2/14/2012   Common Stock, $.01 par value   20000     20000   D  
 
Option (Right to Buy)   $14.70                      (2) 2/10/2013   Common Stock, $.01 par value   20000     20000   D  
 
Option (Right to Buy)   $6.29                      (3) 4/22/2013   Common Stock, $.01 par value   22500     22500   D  
 
Option (Right to Buy)   $22.09                      (4) 2/9/2014   Common Stock, $.01 par value   9001     9001   D  
 
Option (Right to Buy)   $28.57                      (4) 7/20/2014   Common Stock, $.01 par value   22500     22500   D  
 

Explanation of Responses:
( 1)  Represents a restricted stock grant that vests in four equal annual installments beginning one year after date of grant.
( 2)  Options become exercisable in four equal annual installments beginning one year after date of grant and are fully exercisable three years prior to expiration.
( 3)  Options become exercisable in four equal annual installments beginning one year after date of grant and are fully exercisable six years prior to expiration.
( 4)  25% of the total options granted became exercisable one year after date of grant. The remaining 75% became exercisable in December 2005.

Reporting Owners
Reporting Owner Name / Address
Relationships
Director 10% Owner Officer Other
Tiger George
C/O ERESEARCHTECHNOLOGY, INC.
1818 MARKET STREET
PHILADELPHIA, PA 19103

Sr. V.P., Global Sales

Signatures
George Tiger 3/1/2010
** Signature of Reporting Person Date


Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
* If the form is filed by more than one reporting person, see Instruction 4(b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations. See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB control number.
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